Unit 5 - Lesson 1 - Grade 5: Illustrative Mathematics

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9 questions
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Grade 5 Unit 5
Lesson 1: What is One Thousandth?
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 5
Lesson 1: What is One Thousandth?
CC BY 2021 Illustrative Mathematics
Lesson: What is One Thousandth?

Estimation Exploration: One Tiny Piece (Warm Up)

1

What fraction of the whole picture is a single square tile?

Record an estimate that is:

What Do You Know About Thousandths?

1

What do you know about 1 tenth?

1

What do you know about 1 hundredth?

1

What do you know about 1 thousandth?

Represent Numbers on a Hundredths Grid

1

The grid represents 1.
What does the shaded region represent? Be prepared to explain your reasoning.

1

The grid represents 1.
What does the shaded region represent? Be prepared to explain your reasoning.

1

How many of the small rectangular pieces (one of them is shaded) are there in the unit square? Explain or show your thinking.

1

How do you think we write the number one thousandth as a decimal? Explain your reasoning.

Cool Down: Journal Prompt: One Thousandth
1

What did you learn about 1 thousandth? What do you still wonder about 1 thousandth?